题目内容

【题目】I found it __________ the purport of his speech.

A. was difficult to understand

B. difficult to understand

C. difficult understand

D. both A and B

【答案】D

【解析】若选A是宾语从句,要用系动词was;若选B,不需要系动词was,是因为形容词difficult在此做宾补.

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